104-10330-10010} | 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992

- SECRET

15 May 1995

FOR: David Marwell
_ Executive Director, ARRB

FROM: _John Pereira
CIA/Historical Review Group

SUBJECT: Mexico City/Sensitive Information

‘

The Directorate of Operations prepared the attached
statement to assist the Assassination Records Review Board.
The statement explains the sensitivity of the records
related to telephone tap operations in Mexico City. This
may help provide a perspective for further discussions on
the subject. |

John Pereira |

Attachment

SECRET

ee rs Rt Hi MN Senet meee

13-00000

a woe
i oe.
owe

lye. ot SECRET

SUBJECT: Release of Information on Mexico City Teltaps

1. Protection of sources and methods nd liaison equities \
require that references to the Mexico City Station teltap

activity be excised from any documents released under the
auspices of the JFK Assassination Record Collection Act of 1992.
While the teltap activity mentioned in the documents under review
occurred some thirty plus years ago, <the joint teltap operation)
(with Mexican liaison has never been terminated; it continues to

[this day in a slightly different rent form. [7 ee
oI
2. Release of any information that would constitute

official USG acknowledgment of the existencefof the joint_teltap 4
@perabken would Rave a sérious adverse impact on cufrent

“eperations. Relations between the Station and the hiaison
service would be affected, with the likely outcome of ——
discouraging liaison from cooperating in similar ventures in the>
future with Mexico City Station. Official acknowledgment of the
existence of the joint teltap in the 1960's would embarrass the
liaison sevice given Mexicots strong brand of nationalism and
sensitivity towards the issue of sovereignty vis a vis the on ad

t

States. The service probably would terminate its cooperation fr
(with ‘the Station on the current joint teltap operation in order’:
wto be ‘able to defend itself against domestic criticsy~ a

SECRET


